So I repeat operation: a) remove R4 b) .......... c) connect pin 1 to pin 7 as shown in figure? ?? thanks I have the same device. you have verified that it works with these changes? thanks why did you get a new device? Hi dotty , did you check my picture and firmware ?? what the value for this resi...

thanks Eddy for the advice ..i thought i could bay a new pic18f2480 or ELM327 to reduce the coast ..the problem is any thing on the web .. i pay almost double of its price becoase of the shipping and costoms ,taxes fees ..thats it

Hi to all tech. and non tech people .. this is my first join to your form ... i have an old piece from ELMSCAN5 USB tool original its H/W Ver.1.4 and F/W Ver.1.1 Mfg. date 24 April 2007 its the old large board i dont have the bad wrong 120ohm resistor ,,i have the 2 100ohm resistor like the circuit ...